\documentclass{book}

\usepackage{askinclude}
\usepackage{fancyvrb}
\usepackage[utf8]{inputenc}

\begin{document}

\include{intro}
\include{clasif-rout}
\include{algo-rout}
\include{rip}
\include{ospf}
%\include{bgp}
\include{ipaddress}
\include{dynamips}
\include{ios}
\include{labs}



\end{document}
